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双折射材料的温度修正 Birefringent Material Temperature Modification z|fmrwkN'$ 9s_vL9u 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: ;sfb 4x4 EQ2#/> 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline jNe`;o ~0?mBy!-O 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline %?LOs
H CPgC jtY 3.Loop over the baseline material samples and determine the number of wavelength entries Z,`iO%W 'AzDP;6qFI 4.Loop over each sampled wavelength entry in the baseline material hp8%.V$f
rL/H2[d a.Modify the ordinary and extraordinary refractive index values using (2) above l;af~ef)' _,q) hOI b.Apply the modified values to the non-baseline material Y;nZ=9Sw `))\}C@k 5.Set a description on the non-baseline material indicating the temperature change from baseline pa#d L!J ^
K|;~}P 脚本编程及GUI例程请下载链接: L Y6;.d$J vQ<90ZxqB http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Ny_lrfh) [ {zQS$VhXr http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd rJFc({ 0
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